短暂性动词可以用完成式吗？比如说，have bought，延续性动词有什么用法？在什么情况下用？

Question

如题所述

Answer 1

可以:

I have seen the film.--------这句强调结果，用“现在完成时”。
I saw it two days ago -------这句强调过程，用“一般过去时”。

Answer 2

短暂性动词可以用完成式吗？可以。追答

如 I have bought a book.

但短暂性动词一般不能跟时间段连用。

如 I have bought a book for two weeks.(×)

需将buy改为延续性动词have.因此 ，上句改为 I have had a book for two weeks.(√)

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